For Cartesian Product of Sets is this correct?

For Cartesian Product of Sets is this correct?

by Mohammed Zarrar Shahid -
Number of replies: 3
In reply to Mohammed Zarrar Shahid

Re: For Cartesian Product of Sets is this correct?

by Dimitrios Kalogiros -
Hi Mohammed,
That looks nice! My only suggestion would be that you use another letter for a and b so that we do not have "b belongs to a set which contains b, as well". Would that make sense? I would use (x,y), for instance.